Harwood Beck
Joins the Tees above Middleton, its highest gauge, no more than 14.4 km by river above Middleton.
| Harwood | 0.31 m 8h ago | Normal |
Its water passes every gauge on the Tees, from Middleton down.
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Live levels from 8 monitoring stations across County Durham, Darlington, North Yorkshire, Redcar and Cleveland, Stockton-on-Tees, updated every 15 minutes.
| Station | Level now | Status | ||
|---|---|---|---|---|
| Middleton | 0.50 m 3d ago | old reading | ||
| 16.4 km by river | ||||
| Barnard Castle | 0.55 m 30m ago | Normal | ||
| 29.2 km by river | ||||
| Broken Scar | 0.83 m 30m ago | Normal | ||
| 14.1 km by river | ||||
| Hurworth | 0.66 m 30m ago | Normal | ||
| 21.0 km by river | ||||
| Low Moor | 0.55 m 30m ago | Normal | ||
| 11.7 km by river | ||||
| Yarm | 0.56 m 30m ago | Normal | ||
| 12.3 km by river | ||||
| Stockton | 2.76 mAOD 30m ago | Normal | ||
| 13.3 km by river | ||||
| Tees Docktidal | 2.35 mAOD 30m ago | — | ||
Stations are listed from source to mouth as the water flows, traced on the river map (OS Open Rivers) and the Environment Agency’s own links between its gauges. A distance “by river” is along the river, and is shown only where the map traces the path.
Contains OS data © Crown copyright and database rights 2026.
Streams and rivers with a gauge whose water joins the Tees above one of its gauges, from the source down. Named streams without a gauge that have a page here are listed at the end.
Joins the Tees above Middleton, its highest gauge, no more than 14.4 km by river above Middleton.
| Harwood | 0.31 m 8h ago | Normal |
Its water passes every gauge on the Tees, from Middleton down.
Joins the Tees above Middleton, its highest gauge, no more than 28.3 km by river above Middleton.
| Moorhouse | 0.27 m 30m ago | Normal |
Its water passes every gauge on the Tees, from Middleton down.
Joins the Tees between Barnard Castle and Broken Scar, no more than 33.4 km by river above Broken Scar.
| Rutherford Bridge | 0.35 m 30m ago | Normal |
Its water passes Broken Scar and every gauge below it on the Tees. It does not pass Barnard Castle or the gauges above it.
Joins the Tees between Broken Scar and Hurworth, no more than 7.3 km by river above Hurworth.
| Croft Monk End Farm | 0.66 m 30m ago | Low |
Its water passes Hurworth and every gauge below it on the Tees. It does not pass Broken Scar or the gauges above it.
Joins the Tees between Broken Scar and Hurworth, no more than 10.2 km by river above Hurworth.
| Preston-Le-Skerne | 0.16 m 50d ago | old reading |
| 16.1 km by river | ||
| John St Darlington | 0.14 m 30m ago | Normal |
| 2.8 km by river | ||
| South Park | 0.20 m 30m ago | Normal |
Its water passes Hurworth and every gauge below it on the Tees. It does not pass Broken Scar or the gauges above it.
Joins the Tees between Yarm and Stockton, no more than 19.1 km by river above Stockton.
| Easby | 0.10 m 30m ago | Low |
| 4.8 km by river | ||
| Great Ayton | 0.05 m 30m ago | Normal |
| 3.3 km by river | ||
| Stokesley Upstream | 0.47 m 30m ago | Normal |
| 1.8 km by river | ||
| Stokesley | 0.13 m 30m ago | Normal |
| 880 m by river | ||
| Stokesley Downstream | 0.66 m 30m ago | Normal |
| 18.4 km by river | ||
| Foxton Bridge | 0.19 m 30m ago | Low |
Its water passes Stockton and every gauge below it on the Tees. It does not pass Yarm or the gauges above it.
Joins the Tees between Stockton and Tees Dock, no more than 13.8 km by river above Tees Dock.
| Stockton Primrose Hill | 0.04 m 30m ago | Low |
Its water passes Tees Dock and every gauge below it on the Tees. It does not pass Stockton or the gauges above it.
Joins the Tees between Stockton and Tees Dock, no more than 6.7 km by river above Tees Dock.
| Middlesbrough Albert Park Footbridge | 0.02 m 7h ago | Normal |
| 370 m by river | ||
| Middlesbrough Albert Park | 0.07 m 30m ago | Low |
Its water passes Tees Dock and every gauge below it on the Tees. It does not pass Stockton or the gauges above it.
Joins the Tees between Stockton and Tees Dock, no more than 9.5 km by river above Tees Dock.
| Middlesbrough Ormesby Hall | 0.01 m 30m ago | Low |
Its water passes Tees Dock and every gauge below it on the Tees. It does not pass Stockton or the gauges above it.
No gauge below Tees Dock is known on the river map.
Tributaries and where they join are traced on the river map (OS Open Rivers, edition 2026-04) and the Environment Agency’s links between its gauges. The map holds distances between gauges, not the junctions themselves, so a junction is placed between two gauges, and no further up than the tributary’s own lowest gauge. Contains OS data © Crown copyright and database rights 2026.
160 storm overflows are traced upstream of Tees Dock, the Tees’s lowest gauge on the river map: on the Tees itself, on its gauged tributaries, and on smaller streams that join above there.
Official figures for 2025, for the overflows traced upstream of Tees Dock: 2,705 spills over 15,195 hours in total, across the 159 that have a figure. 1 had no usable monitor data that year.
Each overflow is listed in the stretch above the first gauge its water reaches, from the source down, as on the Gauges tab. A stretch of the Tees includes the smaller streams that join it there. Where a stretch or a tributary has more than 4, the 3 discharging now or nearest its gauge are listed, the rest are counted, and every one is in that gauge’s “Upstream of here” list. Show every overflow in every stretch →
and 12 more: show all 15 overflows on this stretch → All above Barnard Castle, nearest first →
and 16 more: show all 19 overflows on this stretch → All above Broken Scar, nearest first →
and 3 more: show all 6 overflows on this stretch → All above Hurworth, nearest first →
and 6 more: show all 9 overflows on this stretch → All above Croft Monk End Farm, nearest first →
and 31 more: show all 34 overflows on the Skerne and the streams that join it → All above South Park, nearest first →
and 2 more: show all 5 overflows on this stretch → All above Low Moor, nearest first →
and 8 more: show all 11 overflows on this stretch → All above Stockton, nearest first →
and 16 more: show all 19 overflows on the Leven and the streams that join it → All above Foxton Bridge, nearest first →
and 19 more: show all 22 overflows on this stretch → All above Tees Dock, nearest first →
and 8 more: show all 11 overflows on this stretch → All above Stockton Primrose Hill, nearest first →
Within 3 km of one of the Tees’s gauges in a straight line, but the river map cannot say whether their water reaches it.
38 more near these gauges whose connection is not known.
A status is the water company’s own monitor: it says whether an overflow is discharging, never how much or why, and a spill does not by itself explain a change in a river level. A status older than two hours is shown as unknown. Annual figures are the official returns: 12/24-hour spills for England and Wales, overflow events for Scotland (Scottish Water counts differently, so the two cannot be compared). “No data” means the monitor produced no usable data that year, not zero. Overflows are placed on OS Open Rivers (edition 2026-04), which leaves out many small channels: an overflow the map cannot place may still drain here. Contains OS data © Crown copyright and database rights 2026. Sewage in Britain’s rivers →
Live status: © Northumbrian Water storm overflow activity data, licensed under CC BY 4.0. Annual figures for England: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence v3.0.
Dated samples taken by the Environment Agency, not live readings. Results are published days to months after the sample is taken, and many points are sampled only a few times a year, or have not been sampled for years.
203 sampling points on the River Tees and the streams that join it above Tees Dock. 70 have a sample from the last 12 months; 96 have any sample banked.
Sampled most recently, anywhere on the Tees and its streams:
| Where, from the source down | Sampling points | Newest sample |
|---|---|---|
| Above HarwoodHarwood Beck · joins the Tees above Middleton | 2 points1 sampled | 15 Dec 2023 |
| Above Middleton | 22 points16 sampled | 22 Sep 2026 |
| Above Rutherford BridgeRiver Greta · joins the Tees above Broken Scar | 6 points2 sampled | 10 Sep 2026 |
| Above Barnard Castle | 30 points13 sampled | 28 Sep 2026 |
| River Skerne and its streamsjoins the Tees above Hurworth | 51 points10 sampled | 16 Jul 2026 |
| Above Broken Scar | 12 points8 sampled | 7 Sep 2026 |
| Above Croft Monk End FarmClow Beck · joins the Tees above Hurworth | 8 points4 sampled | 1 Sep 2026 |
| Above Hurworth | 18 points9 sampled | 7 Sep 2026 |
| River Leven and its streamsjoins the Tees above Stockton | 16 points13 sampled | 20 Aug 2026 |
| Above Low Moor | 5 points3 sampled | 1 Sep 2026 |
| Above Yarm | 2 points1 sampled | 4 Aug 2026 |
| Lustrum Beck and its streamsjoins the Tees above Tees Dock | 7 points3 sampled | 9 Apr 2025 |
| Above Stockton | 9 points5 sampled | 3 Sep 2026 |
| Above Tees Dock | 15 points8 sampled | 10 Jul 2026 |
England's samples only. Each count opens the list of those points, nearest first, with the date of each one’s latest sample (the gauge’s “Upstream of here” list).
FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.
Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.
Contains OS data © Crown copyright and database rights 2026.
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